As the supplier of OEM parts for your Allis-Chalmers and Siemens JFR and SFR voltage regulators, Siemens is committed to supporting you with OEM qualified parts and factory trained field service support throughout your regulator's life-cycle.

Siemens Regulator Control Panel Repair Services

Siemens Regulator Control Panel Repair Center can repair and extend the life of your Siemens MJ-1/1A, MJ-2/2A, MJ-3/3A, MJ-X, or MJ-XL panels for maximum performance and reliability.

Siemens Regulator Control Panel Repair Services

Are your maintenance and operations personnel comfortable with the interface of Siemens MJ-1/1A, MJ-2/2A or MJ-3/3A regulator control panels? Want to bring these and your MJ-X and regulator simulation testing box up to the latest modifications and firmware revisions? Whether from corrosion, lightning strikes, mis-configuration, or simple wear and tear, Siemens Regulator Control Panel Repair Center can repair and extend the life of your panels for maximum performance and reliability.

Update control to latest firmware revisions, circuit modifications, etc… for that model

Operate for 24 hrs to eliminate potential thermal problems

12/18 month warranty

Control Panel Retrofits?

Siemens MJ-4A is designed for retrofit on all makes of regulators including the Siemens / Allis-Chalmers Accu/stat SJ3/SJ4/SJ5/SJ6, IJ 2/2A, MJ-1/1A, MJ2/2A, MJ-3/3A, MJ-X, and MJ-XL control panels. The MJ-4A also easily fits into the control cabinets for GE and Cooper regulators.